Home / 72,292,697.55-99,764,040.71-39,253,010.58

Finding the Fourth Proportional to 72,292,697.55, 99,764,040.71 and 39,253,010.58

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Solution

The fourth proportional to 72,292,697.55, 99,764,040.71 and 39,253,010.58 is: 54,169,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,697.55 : 99,764,040.71 = 39,253,010.58 : x
  2. Step 2: Convert to fraction form
    72,292,697.55/99,764,040.71 = 39,253,010.58/x
  3. Step 3: Cross multiply
    72,292,697.55x = 99,764,040.71 × 39,253,010.58
  4. Step 4: Simplify right side
    72,292,697.55x = 3,916,038,945,591,313.50
  5. Step 5: Solve for x
    x = 3,916,038,945,591,313.50/72,292,697.55
  6. Step 6: Final answer
    x = 54,169,218.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.